32 16 00 Curbs, Gutters, Sidewalks, Ramps and

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CITY OF FORT WAYNE MASTER
UPDATED: 1/5/15
SECTION 32 16 00
CURBS, GUTTERS, SIDEWALKS, RAMPS AND DRIVEWAYS
NTS: If not used in the Project, delete curbs, gutters, sidewalks, ramps, or driveways from the section
and all sections accordingly.
PART 1 GENERAL
1.1
DESCRIPTION
A. Contractor shall provide all labor, materials, equipment, and incidentals as shown, specified,
and required to furnish and install Portland Cement Concrete (PCCP) curbs and gutters,
concrete sidewalks, concrete ramps, and PCCP driveways.
B.
Related Sections:
NTS: List below list of sections covering products, construction and equipment that a user might expect
to find in this section, but are specified elsewhere. Do not list administrative and procedural Division 01
sections.
1. Section 31 00 05, Trenching and Earthwork.
NTS: Section “1.2” is to be included if project is bid on unit price basis. Section to be deleted or revised
if project is to be bid on lump sum basis.
NTS: Insert at (--1--) and (--2--) below the various curb, gutter, sidewalk, ramp and driveway, types to be
used for project. Adjust Section “1.2” below for additional work item numbers as needed.
1.2
MEASUREMENT AND PAYMENT
A. Curb and Gutter
1. Work Item Number and Title
32 16 00-A (--1--) Curb and Gutter
32 16 00-B (--2--) Curb and Gutter
2. Curb and gutter will be measured by the linear foot along the front face of the section at
the finished grade elevation of the type specified.
3. The accepted quantities of curb and gutter Work will be paid at the unit price per linear
foot as listed on the submitted Bid schedule for curb and gutter, of the type specified.
B.
v. 1.15
Sidewalks
1. Work Item Number and Title
32 16 00-C- (--1--) Sidewalks
Curbs, Gutters, Sidewalks, Ramps and Driveways – 32 16 00-1
2.
3.
C.
32 16 00-D- (--2--) Sidewalks
The accepted quantities of sidewalks will be measured by the square yard of finished
surface.
The accepted quantities will be paid at the unit price per square yard as listed on the
submitted Bid schedule, complete in place.
ADA Curb Ramps
1. Work Item Number and Title
32 16 00-E- (--1--) ADA Curb Ramps, All Types
2.
3.
Payment for ADA Curb Ramps shall be on a unit price basis for all types.
The pay quantity for ADA Curb Ramps will be the actual number constructed complete
in place according to applicable standards.
NTS: Based on the driveway material and types encountered during the project, add additional driveway
work items below. Coordinate with the standard details on the Drawings. Examples or varying material
and types may include: commercial, residential, gravel, concrete or asphalt. As needed include projects
specific requirements for Bollards in Part 2 Products and Part 3 Execution of this Section
D. Driveways
1. Work Item Title and Number
32 16 00-F- (--1--) Driveways
32 16 00-G- (--2--) Driveways
2. Payment of these items shall be on a unit price basis for the depth and type shown on the
Drawings and includes the portion of the driveway on which the sidewalk and the
approach are located.
3. The accepted quantities for driveways shall be paid at the unit price per square yard as
listed on the submitted Bid schedule, complete in place.
NTS: As needed include projects specific requirements for Bollards in Part 2 Products and Part 3
Execution of this Section
E.
1.3
Bollards
1. Work Item Title and Number
33 44 13-H Bollards
2. Payment for bollards shall be on a unit price basis for each bollard furnished and installed
in place as shown and specified on the Drawings.
3. The pay quantity shall be the number of bollards actually furnished and installed.
4. This item shall include costs to furnish labor, materials, tools, and equipment, both
permanent and temporary, for the construction of bollards associated with work shown on
the Drawings.
REFERENCES
NTS: Retain all applicable standards below. Add others as required.
A. Standards referenced in this Section are listed below:
v. 1.15
Curbs, Gutters, Sidewalks, Ramps and Driveways – 32 16 00-2
1.
2.
1.4
Indiana Department of Transportation (INDOT) - Standard Specifications:
a. Section 502, Portland Cement Concrete Pavement, PCCP
b. Section 604, Sidewalks, Curb Ramps, Steps, and Handrails
c. Section 605, Curbing
d. Section 610, Approaches and Crossovers
e. Section 702, Structural Concrete
Americans with Disabilities Act (ADA)
a. Part II Architectural and Transportation Barriers Compliance Board
QUALITY ASSURANCE
A. Installer: Shall have a minimum of two years’ experience installing PCCP curbs and gutters,
concrete sidewalks, concrete ramps, and PCCP driveways.
PART 2 PRODUCTS
NTS: As needed add or remove the projects specific driveway material requirements.
2.1
CONCRETE
A. Concrete shall be in accordance with INDOT Standard Specifications latest edition, Section
502 for PCCP and 702 for Concrete, Class A.
B.
Unless otherwise specified on the Drawings, the Work shall be plain concrete.
C.
Proportioning and Design of Class “A” Concrete Mix:
1. Minimum compressive strength at 28 days: 4,000 psi.
2. Maximum water-cement ratio by weight: 0.50.
3. Minimum cement content: 564 pounds per cubic yard.
NTS: Include additional requirements for property owners driveways based on project specific
requirements. Consider the existing materials and depth of the driveways.
2.2
GRAVEL DRIVE RESTORATION
A. Pavement replacement for the gravel driveways shall consist of 2” of INDOT #73 on 6” of
INDOT 53 compacted stone. Refer to Section 31 00 05 for material gradation requirements.
PART 3 EXECUTION
NTS: Specifier must discuss the proposed typical PCCP section for driveways with Owner prior to
finalizing Paragraph “3.1.b”. In addition, this section must comply with any detail(s) included as part of
the proposed construction plans.
v. 1.15
Curbs, Gutters, Sidewalks, Ramps and Driveways – 32 16 00-3
3.1
DESCRIPTION
A. The Work shall consist of the construction of PCCP curbs, gutters, concrete sidewalks,
concrete ramps and PCCP driveways in accordance with these Specifications and in
conformance with the lines and grades shown on the Drawings or established by the Engineer.
Unless otherwise noted on the Drawings, all sidewalks shall be 4 inches thick and 6 inches
thick through driveways.
3.2
B.
PCCP residential driveway approaches shall be 6 inches thick on top of 4 inches compacted
aggregate No. 53. PCCP commercial driveway approaches shall be a minimum 8 inches thick
on top of 4 inches compacted aggregate No. 53.
C.
All areas, elements and facilities intended for pedestrian access, circulation and use that are
constructed, installed or altered in the public right-of-way and which are subject to Title II of
the Americans with Disabilities Act (ADA) shall comply with Part II Architectural and
Transportation Barriers Compliance Board, latest edition.
EXCAVATION
A. Excavation shall be made to the required depth and to a width that will permit the installation
and bracing of the forms. The foundation shall be shaped and compacted to a firm, even
surface conforming to the section view shown on the Drawings. Bracing and staking of forms
shall be such that the forms remain in both horizontal and vertical alignment until their
removal.
B.
3.3
For curb installation, the excavation shall be made to the required depth, and the base upon
which the curb is to be set shall be compacted to a firm, even surface in accordance with the
section view shown on the Drawings. All soft and unsuitable material shall be removed and
replaced with compacted aggregate No.53 or as specified on the Drawings.
FORMS
A. Forms shall be of wood, metal or other approved material and shall extend for the full depth of
the concrete. Forms shall be straight, free from warp and of sufficient strength to resist the
pressure of the concrete without springing. Bracing and staking of forms shall be such that the
forms remain in both horizontal and vertical alignment until their removal.
3.4
PLACING CONCRETE
A. Concrete shall be proportioned, mixed and placed in accordance with the requirements for the
class of concrete specified. After the concrete for the curb is placed, it shall be tamped and
spaded or vibrated until mortar entirely covers the surface. The top shall be floated smooth
and the outer upper corner rounded to a 1/4 inch radius.
B.
v. 1.15
The face and the top of the curb shall be checked with a 10 foot straight-edge. Portions
showing irregularities of 1/4 inch or more shall be removed and replaced at the expense of the
Contractor.
Curbs, Gutters, Sidewalks, Ramps and Driveways – 32 16 00-4
C.
Compaction of concrete placed in the forms shall be by vibration or other acceptable methods.
Forms shall be left in place for 24 hours or until the concrete has set sufficiently so that they
can be removed without injury to the curbing. Upon removal of the forms, the exposed
curbing face shall be rubbed immediately to a uniform surface. Rubbing shall be accomplished
by the use of water and a carborundum brick. For the purpose of matching adjacent concrete
finishes or for other reasons, the Engineer may permit other methods of finishing. Plastering
will not be permitted.
D. The foundation shall be thoroughly moistened immediately prior to the placing of the
concrete. The proportioning, mixing and placing of the concrete shall be in accordance with
the requirements for concrete Class A in compliance with INDOT Standard Specifications
latest edition, Section 604.03(d).
3.5
FINISHING
A. Comply with INDOT Standard Specifications latest edition, Section 604.03(e) and provisions
thereto for finishing Work.
B.
3.6
The surface shall be finished with a float. No plastering of the surface will be permitted. All
outside edges of the slab and all joints shall be edged with a 1/4 inch radius edging tool.
JOINTS
A. For curb and gutter installation, where the adjacent pavement contains joints, such joints shall
be continued through the integral curb. Pavement contraction joints shall be carried through
integral curb with preformed joint material 1/4 inch thick, shall conform to the cross section of
the curb, and shall be set perpendicular to the face and top of the curb. Preformed expansion
joints shall be placed at the beginning and end of all curb returns and also at all castings.
B.
Curbing that is not constructed integral with adjacent pavement shall be constructed with
intermediate planes of weakness, 1/3 depth, sawed at 10 foot intervals. The width shall not be
less than 1/8 inch or more than 1/4 inch, and they shall be placed at the beginning and end of
all curb returns and also at all castings.
C.
Expansion joints shall be carried through the sidewalk, with preformed joint filler. Expansion
joints shall be a minimum of 1/2 inch wide, full depth and spaced at a distance not to exceed
48 feet. Dummy transverse joints shall be evenly spaced between expansion joints and/or
drives and steps with a maximum spacing of 6 feet. Remolded expansion joint filler 1/2 inch
thick shall be provided between new and old sidewalks and driveways and abutting existing
buildings or steps.
D. Construction joints shall be formed around all appurtenances such as manholes, utility poles,
etc., extending into and through the sidewalks. Pre-molded expansion joint filler 1/4 inch thick
shall be installed in these joints. This expansion joint material shall extend for the full depth of
the sidewalk.
3.7
CURING
v. 1.15
Curbs, Gutters, Sidewalks, Ramps and Driveways – 32 16 00-5
A. Concrete shall be cured for at least 72 hours. Curing shall be by means of moist burlap or mats
or by approved curing compounds. The method and details of curing shall be subject to
Engineer’s approval. During the curing period, all traffic, both pedestrian and vehicular, shall
be excluded.
3.8
RECONSTRUCTED CONCRETE SIDEWALKS OR PCCP DRIVEWAYS
A. This Work consists of the satisfactory removal, disposal of removed material and replacement
of existing concrete walk or drives or the placing of new sidewalks or driveways at the
locations indicated on the plans or as directed.
B.
Where an existing concrete sidewalk or PCCP driveway is to be reconstructed, all
disintegrated concrete, stone, or other material shall be completely removed and replaced with
new concrete sidewalk or driveway in accordance with this specification.
C.
The proposed concrete sidewalk shall be constructed the same width as the adjoining walk, or
to a width of no less than 18 inches from the face of curb, or to another width as directed or
shown on the Drawings.
D. The removal of a concrete sidewalk or PCCP driveway shall be to uniform lines as directed.
The Contractor may be required to cut the sidewalk or driveway to be removed in a straight
line with an approved power driven concrete saw if an existing joint is not available. The
sawing shall be such that the portion of sidewalk or driveway to remain in place will not be
damaged in any way. Any portion of the sidewalk or driveway, which is damaged or removed
back of the established line, shall be replaced at the Contractor’s expense.
3.9
BACKFILLING
A. After the concrete has set sufficiently, the spaces in front and behind the curb shall be refilled
with suitable material to the required elevation in layers of not more than 6 inches and be
thoroughly tamped.
3.10 CURB MACHINE
A. Curb machines may be used to construct curb provided the curb can be constructed to the
requirement of these Specifications.
3.11 INTEGRAL CURB WORK
A. If integral curb Work is specified or required it shall be constructed as shown on the Drawings
using Concrete, Class A.
3.12 DRIVEWAY CLOSURE AND RESTORATION
A. Property owners shall be notified of work at driveway a week prior to driveway closure.
B.
v. 1.15
Replace and repair driveways back to original condition and as specified.
Curbs, Gutters, Sidewalks, Ramps and Driveways – 32 16 00-6
+ + END OF SECTION + +
v. 1.15
Curbs, Gutters, Sidewalks, Ramps and Driveways – 32 16 00-7
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